[CIFS] Fallback to standard mkdir if server incorrectly claims support for

posix ops

Signed-off-by: Steve French <sfrench@us.ibm.com>

2 files changed, 6 insertions, 3 deletions

diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h
index dd64cecd923b..13c53a4ee0f7 100644
--- a/fs/cifs/cifsfs.h
+++ b/fs/cifs/cifsfs.h
@@ -101,5 +101,5 @@ extern ssize_t	cifs_getxattr(struct dentry *, const char *, void *, size_t);
 extern ssize_t  cifs_listxattr(struct dentry *, char *, size_t);
 extern int cifs_ioctl(struct inode *inode, struct file *filep,
                        unsigned int command, unsigned long arg);
-#define CIFS_VERSION   "1.50"
+#define CIFS_VERSION   "1.51"
 #endif                          /* _CIFSFS_H */
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 9dffa93d6bdd..552d68b9d6f4 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -925,7 +925,10 @@ int cifs_mkdir(struct inode *inode, struct dentry *direntry, int mode)
                                 full_path, cifs_sb->local_nls,
                                 cifs_sb->mnt_cifs_flags &
                                         CIFS_MOUNT_MAP_SPECIAL_CHR);
-                if (rc) {
+                if (rc == -EOPNOTSUPP) {
+                        kfree(pInfo);
+                        goto mkdir_retry_old;
+                } else if (rc) {
                         cFYI(1, ("posix mkdir returned 0x%x", rc));
                         d_drop(direntry);
                 } else {
@@ -977,7 +980,7 @@ int cifs_mkdir(struct inode *inode, struct dentry *direntry, int mode)
                 kfree(pInfo);
                 goto mkdir_out;
         }
-
+mkdir_retry_old:
         /* BB add setting the equivalent of mode via CreateX w/ACLs */
         rc = CIFSSMBMkDir(xid, pTcon, full_path, cifs_sb->local_nls,
                           cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);